From: Enric Balletbo i Serra Date: Fri, 8 Oct 2010 17:22:19 +0000 (-0700) Subject: omap3: Add external VBUS power switch and overcurrent detect onIGEP v2 board X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=61e118dd7755417c541a8ecf32a82c3971258cff;p=linux-edison.git omap3: Add external VBUS power switch and overcurrent detect onIGEP v2 board GPIO for various devices are missing from the board initialization. This patch adds support for the VBUS and over current gpios. Without this patch, input/outputs from these two sources are ignored. Signed-off-by: Enric Balletbo i Serra Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index c437031554b..2f40d77a2f1 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -275,6 +275,22 @@ static int igep2_twl_gpio_setup(struct device *dev, igep2_vmmc1_supply.dev = mmc[0].dev; igep2_vmmc2_supply.dev = mmc[1].dev; + /* + * REVISIT: need ehci-omap hooks for external VBUS + * power switch and overcurrent detect + */ + if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) || + (gpio_direction_input(gpio + 1) < 0)) + pr_err("IGEP2: Could not obtain gpio for EHCI NOC"); + + /* + * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN + * (out, active low) + */ + if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) || + (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0)) + pr_err("IGEP2: Could not obtain gpio for USBH_CPEN"); + return 0; };